diff --git a/tests/test_c/main.c b/tests/test_c/main.c
index 3cab912..a96dbb8 100644
--- a/tests/test_c/main.c
+++ b/tests/test_c/main.c
@@ -1,6 +1,6 @@
-// #include <stdint.h>
+#include <stdint.h>
 
-unsigned int addathing(unsigned int a)
+uint32_t addathing(uint32_t a)
 {
     return a + 0x29;
 }
\ No newline at end of file